I'm not convinced that SE would have bothered saying anything at all if they didn't intend to adjust (in some form) what str means to tank damage. If they fiddle with the sub stats and reduce what the str multiplier is, without doing something else, tanks will still stack str, roll on dps accessories, meld str as much as possible. In essence, nothing will really change. Tanks will use vit to the point of survivability and then stack str. EXACTLY LIKE IT IS NOW.

Those numbers are also player theory crafted, not announced by SE. Dervy even stated that despite his best work for 2.0, there were things he still got wrong on stat weights. Why would SE bother saying anything, months in advance, if they decided to tweak something as small as what you propose? Something that minor would be relayed to us a week or two before patch.